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Dana Uv, Inc.

James T Leach

Michael Lee Fraim

A method for reducing or substantially eliminating oxides of nitrogen from an effluent gas stream, that includes providing a source of ultraviolet radiation with a precise wavelength, adding ammonia or an ammonia based reagent to the effluent stream, upstream of the ultraviolet radiation source, controllably operating the ultraviolet radiation source to irradiate the effluent stream flowing in the duct and substantially reducing or eliminating oxides of nitrogen by promotion a reaction of ammonia with the oxides of nitrogen to produce Nand HO, and also thereby destroying any surplus ammonia. This process can also be modified to oxidize carbon monoxide and VOC's to COand HO.

Controlled spectrum ultraviolet radiation pollution control process

A bilge water filter having an elongate tubular housing defining a bilge water outlet and adapted to receive a filter and filter support assembly which is secured in sealed relation therewith by manual retainer elements. The filter and filter support assembly defines an inlet through which is caused to flow bilge water of a marine vessel which may contaminated by oil and other petroleum products. The filter and filter support assembly incorporates an elongate, tubular perforate filter support element about which is positioned and secured a generally cylindrical closed end body of a thick filter media in the form of meltblown polypropylene (polyolefin hydrocarbon). The filter assemblies may be incorporated in valve controlled banks and may be controlled by valve settings to utilize the filters independently, sequentially or together to accomplish separation of oil from the bilge water to thus insure an overboard discharge of oil free bilge water.

Oil filtering system for bilge water of marine vessels

The method of removing NO and NO.sub.2 from a stream of hydrocarbon combustion products at elevated temperature includes the steps:

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Dana Point, CA, United States of America

James T Leach